ALLPOWERS R3500 solar kit review
ALLPOWERS R3500 with SP037 400W Solar Panel (3,168Wh)
By Tom Calder
ALLPOWERS's 3,168 Wh R3500 with 3,200 W at 120V, up to 2,000 W of solar input and one B3000 expansion battery (6,336 Wh in all), sold with a 400 W SP037 panel.
- Best for
- 3.2 kWh with a 400 W panel from an approved US store
- Skip it if
- You need something easy to carry
We earn a commission if you buy through the retailer links on this page. It doesn't change our verdict. How we make money →
Researched, not used. We haven't used this product. This review is built from the maker's specifications, owner reports and our own sizing.
What we like
- 3,200 W output
- Up to 2,000 W solar input
- Expands to 6,336 Wh
Worth knowing
- 93 lb
- Peak figure stated two ways
ⓘ As an Amazon Associate, PreparedStates earns from qualifying purchases. We may earn a commission when you buy through our links. When two products are close, commission can decide which one we pick. A clearly better product always wins. Amazon prices come from Amazon's own product data and can change at any time.
Who shouldn't buy this
Don't buy it if you need something easy to carry.
Key specs
| Battery | 3,168 Wh |
| Solar panel | 400 W |
| AC output | 3,200 W |
This is a Researched review: we haven't used this product. We check every specification against at least two independent sources, re-check the US price on a schedule where we can track it automatically, and say plainly who it isn't for. Commissions never change a rating.
If this isn’t the one

Best for 3.8 kWh and 3,600 W with a big single panel
as of Nov 14, 2026, 5:36 PM ET · Details
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
Best for 3 kWh at under 57 lb
as of Nov 14, 2026, 5:36 PM ET · Details
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
Best for 3 kWh in BLUETTI's compact Elite line

